Material&colon; 50Mn or 42CrMoHardness of Raceway&colon; HRC55-60Geared&colon; InternalBrand&colon; SOCARE® Made in China&semi; NACHI made in JapanAvailable&colon; Some of them are in stock&comma; but quantity is small&comma; so please contact with us at the first time if you need&period; Delivery time&colon; Within 3 days&period; Packing&colon; Standard Exporting Wooden Box